package com.cyyz.handler;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.annotation.AnnotationUtils;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;

@ControllerAdvice //拦截带有Controller注解的控制器
public class ControllerExceptionHandler {

    private Logger logger = LoggerFactory.getLogger(this.getClass());

    @ExceptionHandler(Exception.class) //标识拦截注解
    public ModelAndView exceptionHandle(HttpServletRequest request, Exception e) throws Exception {
        //错误日志
        logger.error("Request URL : {},Exception : {}",request.getRequestURL(),e);

        if (AnnotationUtils.findAnnotation(e.getClass(), ResponseStatus.class) != null) {
            throw e;
        }

        ModelAndView mv = new ModelAndView();
        mv.addObject("url",request.getRequestURL());
        mv.addObject("exception",e);
        //将数据返回页面
        mv.setViewName("error/error");
        return mv;
    }
}
